The Castelli Difesa 2 Cap utilizes a combination of weather resistant Gore Windstopper and Thermoflex fabrics to keep you protected from the elements. The Difesa 2 peak helps to keep the rain out of your eyes, and an extended ear covering protects you from the biting cold. Gore Windstopper fabrics create a barrier against wind and drizzle while still offering great breathability. The Thermoflex fabric extends over the ears and around the neck, featuring a brushed inner surface that is warm, wicking, and highly breathable. The Difesa Cap can be worn on its own or under a cycling helmet. Key features:- Gore Windstopper fabric for weather protection- Thermoflex earflap for warmth- Reflective detailing on side and back panel- Universal size